Footwear sole



FIG. 1 is a perspective view of the footwear sole embodying the new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof.

FIGS. 1 and 3-6 show portions of an upper in broken lines. The upper is shown for environmental purposes and does not form any part of the claimed design. The broken lines around the peripheral edges of the shoe sole, define the boundary of the claimed design; the broken boundary-lines forming no part of the claim. 

The ornamental design for footwear sole, as shown and described. 